/* =============================================================
   InkByte News — Premium Editorial Design System
   Modern Newsroom: Navy, White, Red Accent
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,700;0,800;1,400&display=swap');

/* =============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================= */
:root {
    /* Core palette */
    --color-primary: #E63946;
    --color-primary-dark: #C62B38;
    --color-primary-light: #FF6B6B;
    --color-secondary: #0B1426;
    --color-accent: #3B82F6;
    --color-accent-dark: #2563EB;

    /* Neutrals */
    --color-bg: #F8F9FC;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F1F5F9;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-text: #0F172A;
    --color-text-secondary: #64748B;
    --color-text-tertiary: #94A3B8;
    --color-text-inverse: #FFFFFF;

    /* Semantic colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 6px 16px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.12);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1320px;
    --header-height: 72px;
    --sidebar-width: 340px;
}

/* =============================================================
   BASE RESET & GLOBALS
   ============================================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-dark); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol { list-style: none; }

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}

::selection {
    background: var(--color-primary);
    color: white;
}

/* =============================================================
   CONTAINER & LAYOUT
   ============================================================= */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-16) 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-border);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-primary);
}

.section-title {
    font-family: var(--font-sans);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-secondary);
    letter-spacing: -0.02em;
}

.section-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--transition-base);
}
.section-link:hover {
    color: var(--color-primary-dark);
    gap: var(--space-3);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

.main-content {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-10);
    align-items: start;
}

/* =============================================================
   TOP BAR (Above header)
   ============================================================= */
.top-bar {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    font-size: var(--text-xs);
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.top-bar-left .date {
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: white;
    background: rgba(255,255,255,0.1);
}

/* =============================================================
   HEADER & NAVIGATION
   ============================================================= */
.site-header {
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-8);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-logo-text {
    font-size: var(--text-xl);
    font-weight: 900;
    color: var(--color-secondary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.site-logo-text span {
    color: var(--color-primary);
}

/* Main navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
    justify-content: center;
}

.main-nav a {
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 24px;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.search-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-md);
}

.search-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.header-user-menu {
    position: relative;
}

.header-user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: 1px solid var(--color-border);
}

.header-user-btn:hover {
    background: var(--color-surface-hover);
}

.header-user-btn img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-base);
    z-index: 100;
    overflow: hidden;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.user-dropdown-header strong {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.user-dropdown-header small {
    color: var(--color-text-tertiary);
    font-size: var(--text-xs);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.user-dropdown a:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.user-dropdown a i { width: 18px; text-align: center; }

.user-dropdown .dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-1) 0;
}

.user-dropdown a.logout-link {
    color: var(--color-danger);
}
.user-dropdown a.logout-link:hover {
    background: #FEF2F2;
}

/* Auth buttons */
.btn-login {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-login:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    border-color: var(--color-text-tertiary);
}

.btn-register {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: white;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid transparent;
}

.btn-register:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text);
    font-size: var(--text-xl);
    border-radius: var(--radius-md);
}

/* Search overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 20, 38, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-inner {
    width: 100%;
    max-width: 680px;
    padding: 0 var(--space-6);
    transform: translateY(-20px);
    transition: transform var(--transition-base);
}

.search-overlay.active .search-overlay-inner {
    transform: translateY(0);
}

.search-overlay-form {
    display: flex;
    align-items: center;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    box-shadow: var(--shadow-xl);
}

.search-overlay-form input {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
}

.search-overlay-form input::placeholder {
    color: var(--color-text-tertiary);
}

.search-overlay-form button {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: var(--color-primary);
    color: white;
    cursor: pointer;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
    flex-shrink: 0;
}

.search-overlay-form button:hover {
    background: var(--color-primary-dark);
}

.search-overlay-close {
    position: absolute;
    top: var(--space-8);
    right: var(--space-8);
    color: white;
    font-size: var(--text-3xl);
    cursor: pointer;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.search-overlay-close:hover {
    background: rgba(255,255,255,0.1);
}

/* =============================================================
   BREAKING NEWS TICKER
   ============================================================= */
.breaking-news {
    background: var(--color-primary);
    color: white;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.breaking-news-inner {
    display: flex;
    align-items: center;
    height: 40px;
}

.breaking-label {
    background: var(--color-secondary);
    color: white;
    padding: 0 var(--space-5);
    font-size: var(--text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    height: 100%;
    flex-shrink: 0;
    z-index: 2;
    position: relative;
}

.breaking-label::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 0;
    border-left: 12px solid var(--color-secondary);
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
}

.breaking-label i {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.breaking-ticker {
    flex: 1;
    overflow: hidden;
    margin-left: var(--space-6);
}

.breaking-ticker-track {
    display: flex;
    gap: var(--space-10);
    animation: ticker 30s linear infinite;
}

.breaking-ticker-track a {
    color: white;
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.breaking-ticker-track a::before {
    content: '•';
    font-size: var(--text-lg);
    opacity: 0.6;
}

.breaking-ticker-track a:hover {
    color: rgba(255,255,255,0.8);
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* =============================================================
   HERO / FEATURED SECTION
   ============================================================= */
.hero-section {
    padding: var(--space-8) 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-6);
    min-height: 480px;
}

.hero-main {
    grid-row: 1 / 3;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.hero-main .hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero-main:hover .hero-image {
    transform: scale(1.03);
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-8);
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    color: white;
}

.hero-overlay .category-badge {
    margin-bottom: var(--space-3);
}

.hero-overlay h2 {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-3);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-overlay p {
    font-size: var(--text-base);
    opacity: 0.85;
    line-height: 1.6;
    max-width: 550px;
}

.hero-overlay .post-meta {
    margin-top: var(--space-3);
    color: rgba(255,255,255,0.7);
}

.hero-secondary {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.hero-secondary .hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero-secondary:hover .hero-image {
    transform: scale(1.05);
}

.hero-secondary .hero-overlay {
    padding: var(--space-6);
}

.hero-secondary .hero-overlay h3 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.3;
}

/* =============================================================
   NEWS CARDS
   ============================================================= */
.news-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.news-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
    transform: scale(1.06);
}

.news-card-body {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-body .category-badge {
    margin-bottom: var(--space-3);
}

.news-card-title {
    font-size: var(--text-lg);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.news-card-title a {
    color: inherit;
}

.news-card:hover .news-card-title {
    color: var(--color-primary);
}

.news-card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-4);
    flex: 1;
}

/* Post meta */
.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.post-meta-item i { font-size: 0.7rem; }

.post-meta .author-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.post-meta .author-name {
    font-weight: 600;
    color: var(--color-text);
}

/* Horizontal news card */
.news-card-horizontal {
    display: flex;
    flex-direction: row;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.news-card-horizontal:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.news-card-horizontal .news-card-image {
    width: 280px;
    min-height: 180px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.news-card-horizontal .news-card-body {
    padding: var(--space-5) var(--space-6);
}

/* Small news card (sidebar) */
.news-card-small {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-fast);
}

.news-card-small:last-child { border-bottom: none; }

.news-card-small-image {
    width: 100px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.news-card-small-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.news-card-small:hover .news-card-small-image img {
    transform: scale(1.08);
}

.news-card-small-body h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-1);
    transition: color var(--transition-fast);
}

.news-card-small:hover .news-card-small-body h4 {
    color: var(--color-primary);
}

.news-card-small-body .post-meta {
    font-size: var(--text-xs);
}

/* Numbered list card */
.numbered-card {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.numbered-card:last-child { border-bottom: none; }

.numbered-card-number {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--color-border);
    line-height: 1;
    flex-shrink: 0;
    min-width: 36px;
    transition: color var(--transition-fast);
}

.numbered-card:hover .numbered-card-number {
    color: var(--color-primary);
}

.numbered-card h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: var(--space-1);
    transition: color var(--transition-fast);
}

.numbered-card:hover h4 {
    color: var(--color-primary);
}

/* Category badge */
.category-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    color: var(--badge-color, var(--color-primary));
    background: color-mix(in srgb, var(--badge-color, var(--color-primary)) 10%, transparent);
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1;
}

.category-badge:hover {
    background: var(--badge-color, var(--color-primary));
    color: white;
}

/* =============================================================
   SIDEBAR
   ============================================================= */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.sidebar-widget {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid var(--color-border-light);
}

.sidebar-widget-title {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-border);
    position: relative;
}

.sidebar-widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-primary);
}

/* Category list widget */
.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.category-list a:hover {
    background: var(--color-surface-hover);
    color: var(--color-primary);
    padding-left: var(--space-5);
}

.category-list a i {
    margin-right: var(--space-3);
    color: var(--color-text-tertiary);
    width: 18px;
    text-align: center;
}

.category-list .cat-count {
    background: var(--color-bg);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-tertiary);
}

/* Newsletter widget */
.newsletter-widget {
    background: linear-gradient(135deg, var(--color-secondary), #1E293B);
    color: white;
    border: none;
}

.newsletter-widget .sidebar-widget-title {
    color: white;
    border-bottom-color: rgba(255,255,255,0.15);
}

.newsletter-widget .sidebar-widget-title::after {
    background: var(--color-primary);
}

.newsletter-widget p {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space-4);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.newsletter-form input {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    color: white;
    font-size: var(--text-sm);
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }

.newsletter-form input:focus {
    border-color: var(--color-primary);
    background: rgba(255,255,255,0.15);
}

.newsletter-form button {
    padding: var(--space-3);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--color-primary-dark);
}

/* Ad widget */
.ad-widget {
    padding: 0;
    overflow: hidden;
}

.ad-widget img {
    width: 100%;
    border-radius: var(--radius-lg);
}

/* Tags widget */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag-cloud a {
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border-light);
}

.tag-cloud a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* =============================================================
   ARTICLE PAGE
   ============================================================= */
.article-page {
    padding: var(--space-8) 0 var(--space-16);
}

.article-header {
    margin-bottom: var(--space-8);
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

.article-breadcrumb a {
    color: var(--color-text-secondary);
}

.article-breadcrumb a:hover {
    color: var(--color-primary);
}

.article-breadcrumb .sep {
    font-size: var(--text-xs);
}

.article-categories {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.article-title {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-secondary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.article-excerpt {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article-author-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.article-author-info img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.article-author-info .author-details strong {
    display: block;
    font-size: var(--text-base);
    color: var(--color-text);
}

.article-author-info .author-details span {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.article-share {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.article-share a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
}

.article-share a:hover {
    color: white;
}

.article-share a.share-facebook:hover { background: #1877F2; }
.article-share a.share-twitter:hover { background: #1DA1F2; }
.article-share a.share-whatsapp:hover { background: #25D366; }
.article-share a.share-linkedin:hover { background: #0A66C2; }
.article-share a.share-copy:hover { background: var(--color-secondary); }

/* Article featured image */
.article-featured-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-8);
}

.article-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

/* Article content */
.article-content {
    font-size: var(--text-lg);
    line-height: 1.85;
    color: var(--color-text);
}

.article-content h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 700;
    margin: var(--space-10) 0 var(--space-4);
    color: var(--color-secondary);
}

.article-content h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: var(--space-8) 0 var(--space-3);
}

.article-content p {
    margin-bottom: var(--space-5);
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: var(--space-5) var(--space-8);
    margin: var(--space-8) 0;
    background: var(--color-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: var(--text-xl);
}

.article-content ul, .article-content ol {
    margin: var(--space-5) 0;
    padding-left: var(--space-8);
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: var(--space-2); }

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--space-6) 0;
}

.article-content pre {
    background: var(--color-secondary);
    color: #E2E8F0;
    padding: var(--space-5);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-6) 0;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

/* Article tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.article-tags .label {
    font-weight: 600;
    color: var(--color-text);
    margin-right: var(--space-2);
}

/* Article source */
.article-source {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.article-source strong {
    color: var(--color-text);
}

/* Related articles */
.related-articles {
    margin-top: var(--space-16);
}

/* =============================================================
   COMMENTS
   ============================================================= */
.comments-section {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 2px solid var(--color-border);
}

.comments-section h3 {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
}

.comment {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.comment-body { flex: 1; }

.comment-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.comment-author {
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.comment-date {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.comment-text {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* Comment form */
.comment-form {
    margin-top: var(--space-8);
}

.comment-form h4 {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-5);
}

/* =============================================================
   CATEGORY PAGE
   ============================================================= */
.category-header {
    padding: var(--space-10) 0 var(--space-6);
    background: linear-gradient(135deg, var(--color-secondary), #1a2744);
    color: white;
    margin-bottom: var(--space-8);
}

.category-header h1 {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.category-header p {
    font-size: var(--text-lg);
    opacity: 0.7;
}

.category-header .post-count {
    font-size: var(--text-sm);
    opacity: 0.5;
    margin-top: var(--space-2);
}

/* =============================================================
   SEARCH PAGE
   ============================================================= */
.search-header {
    padding: var(--space-10) 0;
    text-align: center;
}

.search-header h1 {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
}

.search-form-inline {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-3);
}

.search-form-inline input {
    flex: 1;
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--text-md);
    transition: border-color var(--transition-fast);
}

.search-form-inline input:focus {
    border-color: var(--color-primary);
}

.search-results-info {
    text-align: center;
    padding: var(--space-4) 0 var(--space-8);
    color: var(--color-text-secondary);
}

/* =============================================================
   FORMS
   ============================================================= */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-tertiary);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check label {
    cursor: pointer;
    font-size: var(--text-sm);
    margin-bottom: 0;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: 2px solid transparent;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
}

.btn-secondary {
    background: var(--color-secondary);
    color: white;
}
.btn-secondary:hover {
    background: #162240;
    color: white;
}

.btn-accent {
    background: var(--color-accent);
    color: white;
}
.btn-accent:hover {
    background: var(--color-accent-dark);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}
.btn-ghost:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.btn-success { background: var(--color-success); color: white; }
.btn-success:hover { background: #059669; color: white; }
.btn-danger { background: var(--color-danger); color: white; }
.btn-danger:hover { background: #DC2626; color: white; }
.btn-warning { background: var(--color-warning); color: white; }

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-md);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* =============================================================
   ALERTS
   ============================================================= */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-4);
    animation: slideDown 0.3s ease;
    position: relative;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert i { font-size: var(--text-md); flex-shrink: 0; }
.alert span { flex: 1; }

.alert-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    opacity: 0.5;
    padding: 0 var(--space-2);
    line-height: 1;
}
.alert-close:hover { opacity: 1; }

.alert-success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.alert-danger {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-warning {
    background: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.alert-info {
    background: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

/* =============================================================
   PAGINATION
   ============================================================= */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) 0;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.page-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: #FEF2F2;
}

.page-link.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.page-dots {
    color: var(--color-text-tertiary);
    padding: 0 var(--space-2);
}

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer {
    background: var(--color-secondary);
    color: rgba(255,255,255,0.7);
    padding: var(--space-16) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

.footer-brand p {
    font-size: var(--text-sm);
    line-height: 1.8;
    margin: var(--space-4) 0 var(--space-6);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-heading {
    font-size: var(--text-md);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-5);
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.6);
    font-size: var(--text-sm);
    padding: var(--space-2) 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: var(--space-2);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
}

.footer-contact i {
    color: var(--color-primary);
    margin-top: 4px;
    width: 16px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: var(--space-5) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.4);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-4);
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.4);
    font-size: var(--text-xs);
}

.footer-bottom-links a:hover { color: white; }

/* =============================================================
   AUTH PAGES (Login/Register)
   ============================================================= */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0B1426 0%, #1a2744 50%, #0B1426 100%);
    padding: var(--space-8);
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-10) var(--space-10);
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-xl);
}

.auth-card .site-logo {
    justify-content: center;
    margin-bottom: var(--space-8);
}

.auth-card h1 {
    font-size: var(--text-2xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-2);
}

.auth-card .auth-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-8);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--color-text-tertiary);
    font-size: var(--text-xs);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: 600;
}

/* =============================================================
   STATIC PAGES (About, Contact, etc.)
   ============================================================= */
.static-page {
    padding: var(--space-10) 0 var(--space-16);
}

.static-page-header {
    text-align: center;
    margin-bottom: var(--space-10);
    padding: var(--space-10) 0;
    background: linear-gradient(135deg, var(--color-secondary), #1a2744);
    color: white;
    border-radius: var(--radius-xl);
}

.static-page-header h1 {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.static-page-header p {
    font-size: var(--text-lg);
    opacity: 0.7;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--text-lg);
    line-height: 1.85;
}

.page-content h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 700;
    margin: var(--space-8) 0 var(--space-4);
    color: var(--color-secondary);
}

.page-content p { margin-bottom: var(--space-5); }
.page-content ul, .page-content ol {
    margin: var(--space-5) 0;
    padding-left: var(--space-8);
}
.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }
.page-content li { margin-bottom: var(--space-2); }

/* Contact form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.contact-info-card i {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: var(--text-md);
}

.contact-info-card h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.contact-info-card p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* =============================================================
   404 PAGE
   ============================================================= */
.error-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-10);
}

.error-page h1 {
    font-size: 8rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-4);
    opacity: 0.15;
}

.error-page h2 {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.error-page p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* =============================================================
   SCROLL TO TOP
   ============================================================= */
.scroll-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 999;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
    font-size: var(--text-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(230, 57, 70, 0.4);
}

/* =============================================================
   LOADING / SKELETON
   ============================================================= */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =============================================================
   EMPTY STATE
   ============================================================= */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.empty-state i {
    font-size: 4rem;
    color: var(--color-border);
    margin-bottom: var(--space-4);
}

.empty-state h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1200px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }
    .main-nav { display: none; }
    .mobile-menu-toggle { display: flex; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    .top-bar { display: none; }
    .hero-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .hero-main { min-height: 300px; }
    .hero-overlay h2 { font-size: var(--text-2xl); }
    .hero-secondary { min-height: 200px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .news-card-horizontal {
        flex-direction: column;
    }
    .news-card-horizontal .news-card-image {
        width: 100%;
        min-height: 200px;
        aspect-ratio: 16/9;
    }
    .sidebar {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
    .article-title {
        font-size: var(--text-3xl);
    }
    .article-meta {
        flex-direction: column;
        gap: var(--space-4);
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .auth-card {
        padding: var(--space-6);
    }
    .section {
        padding: var(--space-10) 0;
    }
    .section-title {
        font-size: var(--text-xl);
    }
    .btn-login { display: none; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--space-4); }
    .hero-overlay { padding: var(--space-5); }
    .hero-overlay h2 { font-size: var(--text-xl); }
    .grid-4 { grid-template-columns: 1fr; }
    .header-actions .btn-register span { display: none; }
}

/* =============================================================
   MOBILE MENU
   ============================================================= */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    z-index: 3000;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--text-xl);
    color: var(--color-text);
}

.mobile-menu-nav {
    padding: var(--space-4) var(--space-6);
}

.mobile-menu-nav a {
    display: block;
    padding: var(--space-4) 0;
    color: var(--color-text);
    font-size: var(--text-md);
    font-weight: 600;
    border-bottom: 1px solid var(--color-border-light);
    transition: color var(--transition-fast);
}

.mobile-menu-nav a:hover {
    color: var(--color-primary);
}

.mobile-menu-actions {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* =============================================================
   AUTHOR PROFILE
   ============================================================= */
.author-profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    margin-bottom: var(--space-8);
}

.author-profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--color-primary);
}

.author-profile-info h1 {
    font-size: var(--text-2xl);
    font-weight: 800;
}

.author-profile-info .author-role {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.author-profile-info .author-bio {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
    max-width: 500px;
}

/* Default avatar */
.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: inherit;
    border-radius: inherit;
}